gdb/testsuite/gdb.threads/check-libthread-db.exp

   1 # Copyright 2017-2018 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # This test only works for native processes on GNU/Linux.
  17 if {[target_info gdb_protocol] != "" || ![istarget *-linux*]} {
  18     continue
  19 }
  20
  21 standard_testfile
  22
  23 if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" \
  24          executable debug] != "" } {
  25     return -1
  26 }
  27
  28 with_test_prefix "user-initiated check" {
  29
  30     # User-initiated check with libthread_db not loaded.
  31     clean_restart ${binfile}
  32
  33     gdb_test "maint show check-libthread-db" \
  34         "Whether to check libthread_db at load time is off."
  35
  36     gdb_test_no_output "set stop-on-solib-events 1"
  37     gdb_run_cmd
  38     gdb_test "" \
  39         ".*Stopped due to shared library event.*no libraries added or removed.*"
  40
  41     gdb_test "maint check libthread-db" \
  42         "No libthread_db loaded" \
  43         "no libpthread.so loaded"
  44
  45
  46     # User-initiated check with NPTL uninitialized.
  47     # libthread_db should fake a single thread with th_unique == NULL.
  48     gdb_test "continue" \
  49         ".*Stopped due to shared library event.*Inferior loaded .*libpthread.*"
  50
  51     gdb_test_sequence "maint check libthread-db" \
  52         "libpthread.so not initialized" {
  53             "\[\r\n\]+Running libthread_db integrity checks:"
  54             "\[\r\n\]+\[ \]+Got thread 0x0 => \[0-9\]+ => 0x0 ... OK"
  55             "\[\r\n\]+libthread_db integrity checks passed."
  56         }
  57
  58     # User-initiated check with NPTL fully operational.
  59     gdb_test_no_output "set stop-on-solib-events 0"
  60     gdb_breakpoint break_here
  61     gdb_continue_to_breakpoint break_here
  62
  63     gdb_test_sequence "maint check libthread-db" \
  64         "libpthread.so fully initialized" {
  65             "\[\r\n\]+Running libthread_db integrity checks:"
  66             "\[\r\n\]+\[ \]+Got thread 0x\[1-9a-f\]\[0-9a-f\]+ => \[0-9\]+ => 0x\[1-9a-f\]\[0-9a-f\]+; errno = 23 ... OK"
  67             "\[\r\n\]+\[ \]+Got thread 0x\[1-9a-f\]\[0-9a-f\]+ => \[0-9\]+ => 0x\[1-9a-f\]\[0-9a-f\]+; errno = 42 ... OK"
  68             "\[\r\n\]+libthread_db integrity checks passed."
  69         }
  70 }
  71
  72 with_test_prefix "automated load-time check" {
  73
  74     # Automated load-time check with NPTL uninitialized.
  75     with_test_prefix "libpthread.so not initialized" {
  76         clean_restart ${binfile}
  77
  78         gdb_test_no_output "maint set check-libthread-db 1"
  79         gdb_test_no_output "set debug libthread-db 1"
  80         gdb_breakpoint break_here
  81         gdb_run_cmd
  82
  83         gdb_test_sequence "" \
  84             "check debug libthread-db output" {
  85                 "\[\r\n\]+Running libthread_db integrity checks:"
  86                 "\[\r\n\]+\[ \]+Got thread 0x0 => \[0-9\]+ => 0x0 ... OK"
  87                 "\[\r\n\]+libthread_db integrity checks passed."
  88                 "\[\r\n\]+[Thread debugging using libthread_db enabled]"
  89             }
  90     }
  91
  92     # Automated load-time check with NPTL fully operational.
  93     with_test_prefix "libpthread.so fully initialized" {
  94         clean_restart ${binfile}
  95
  96         gdb_test_no_output "maint set check-libthread-db 1"
  97         gdb_test_no_output "set debug libthread-db 1"
  98
  99         set test_spawn_id [spawn_wait_for_attach $binfile]
 100         set testpid [spawn_id_get_pid $test_spawn_id]
 101
 102         gdb_test_sequence "attach $testpid" \
 103             "check debug libthread-db output" {
 104                 "\[\r\n\]+Running libthread_db integrity checks:"
 105                 "\[\r\n\]+\[ \]+Got thread 0x\[1-9a-f\]\[0-9a-f\]+ => \[0-9\]+ => 0x\[1-9a-f\]\[0-9a-f\]+ ... OK"
 106                 "\[\r\n\]+\[ \]+Got thread 0x\[1-9a-f\]\[0-9a-f\]+ => \[0-9\]+ => 0x\[1-9a-f\]\[0-9a-f\]+ ... OK"
 107                 "\[\r\n\]+libthread_db integrity checks passed."
 108                 "\[\r\n\]+[Thread debugging using libthread_db enabled]"
 109             }
 110
 111         gdb_exit
 112         kill_wait_spawned_process $test_spawn_id
 113     }
 114 }